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Finding the Fourth Proportional to 565,575.20, 848,355.39 and 139,114.71

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Solution

The fourth proportional to 565,575.20, 848,355.39 and 139,114.71 is: 208,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,575.20 : 848,355.39 = 139,114.71 : x
  2. Step 2: Convert to fraction form
    565,575.20/848,355.39 = 139,114.71/x
  3. Step 3: Cross multiply
    565,575.20x = 848,355.39 × 139,114.71
  4. Step 4: Simplify right side
    565,575.20x = 118,018,714,056.79
  5. Step 5: Solve for x
    x = 118,018,714,056.79/565,575.20
  6. Step 6: Final answer
    x = 208,670.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.